Patent · US Active

Plasma processing apparatus and plasma processing method

US11923177B2 · kind B2 · utility

0Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2021
Grant dateMar 5, 2024
Priority date
Expiry dateJul 6, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/32577
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A plasma processing apparatus includes: a processing container having a vertical tubular shape and an opening formed in a side wall of the processing container, the processing container configured to accommodate a plurality of substrates in multiple stages; a plasma partition wall airtightly provided on an outer wall of the processing container and configured to cover the opening and define a plasma generation space; a plasma electrode provided along the plasma partition wall; and a processing gas supplier provided outside the plasma generation space and configured to supply a plasma generation gas.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.